The choor is a type of end-blown flute

Flute

The flute is a musical instrument of the woodwind family. Unlike woodwind instruments with reeds, a flute is an aerophone or reedless wind instrument that produces its sound from the flow of air across an opening...

 of varying lengths, with 3-5 holes made with reed

Reed (plant)

Reed is a generic polyphyletic botanical term used to describe numerous tall, grass-like plants of wet places, which are the namesake vegetation of reed beds...

 or wood. Common among Inner Asian pastoralists, this instrument is also known as tsuur (Mongolian), chuur (Tuvan), Sybyzgy

Sybyzgy

The sybyzgy is a Kyrgyz sideblown flute traditionally played by shepherds and horse herders, made from apricot wood or the wood of mountain bushes. The sybyzgy has its own repertory of solo pieces, known as kuu, which are distinguished by their lyrical content....

 (Kazakh) and kurai (Bashkir).

The Chuur is said to be a very ancient instrument and is unknown in Outer Mongolia

Outer Mongolia

Outer Mongolia was a territory of the Qing Dynasty = the Manchu Empire. Its area was roughly equivalent to that of the modern state of Mongolia, which is sometimes informally called "Outer Mongolia" today...

See also

• Ney
  Ney
  The ney is an end-blown flute that figures prominently in Middle Eastern music. In some of these musical traditions, it is the only wind instrument used. It is a very ancient instrument, with depictions of ney players appearing in wall paintings in the Egyptian pyramids and actual neys being found...
  
  
• Quray (flute)
• Kaval
  Kaval
  The kaval is a chromatic end-blown flute traditionally played throughout Azerbaijan, Turkey, Hungary, Bulgaria, Macedonia, Albania, Kosovo, southern Serbia , northern Greece , Romania , and Armenia...
  
  
• Washint
  Washint
  The washint is an end-blown wooden flute originally used by the Amhara people in Ethiopia. Traditionally, Amharic musicians would pass on their oral history through song accompanied by the washint as well as the krar, a six stringed lyre, and the masenqo, a one string fiddle..- Construction and...
  
  
• Duduk
  Duduk
  The duduk , traditionally known since antiquity as a Ծիրանափող is a traditional woodwind instrument indigenous to Armenia. Variations of it are popular in the Middle East and Central Asia...
  
  
• Flute
  Flute
  The flute is a musical instrument of the woodwind family. Unlike woodwind instruments with reeds, a flute is an aerophone or reedless wind instrument that produces its sound from the flow of air across an opening...
  
  
• Jedinka
  Jedinka
  The jedinka is a small Croatian whistle flute, usually highly carved and decorated. Often carved from maple or chestnut wood, the jedinka is a single tube with a whistle-like mouthpiece and six equally spaced finger holes...
  
  
• Shvi
  Shvi
  The shvi which means "whistle" in Armenian, is a fipple flute with a labium mouth piece. Commonly made of wood or bamboo) and up to 12 inches in length, it typically has a range of an octave and a-half...
  
  
• Frula
  Frula
  A frula is the Serbian name for a musical instrument which resembles a small recorder or flute. It is an end-blown aerophone. Similar instruments are played throughout Eastern Europe and the Balkans...
  
  
• Sybyzgy
  Sybyzgy
  The sybyzgy is a Kyrgyz sideblown flute traditionally played by shepherds and horse herders, made from apricot wood or the wood of mountain bushes. The sybyzgy has its own repertory of solo pieces, known as kuu, which are distinguished by their lyrical content....
  
  
• Shagur
  Shagur
  Shagur is a wind instrument like an elongated flute like those of the Bashkirs and the Caucasians. Shagur a similar wind instrument to the shoor but with holes on the side and made of wood, only about 30 to 40 cm long.-External links:*...